[automerger skipped] Merge "Use floating point volume in mixer for mute checking" into udc-dev am: 20d86c2493 am: 98cc211b34 -s ours am: 7f95181fc4 -s ours am: 67287e36f6 -s ours

am skip reason: Merged-In I856475e00d377c157c369c084d0e712b5ee53a7c with SHA-1 68cd60a75f is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/23639388

Change-Id: I60a8b1a0e598ab7d6369e8a125c15e0dffedfb49
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>